2A14 Aluminum Round Bar
The Introduction of 2A14 aluminum round bar
2A14 aluminum round bar is a high-strength, heat-treatable aluminum alloy, belonging to the Al-Cu-Mg series, known for excellent strength, good cutting, and welding performance in its quenched and aged state. It is used in high-load and thick-section applications such as aerospace, military components (like the Shenzhou spacecraft series), construction, and automotive parts. The alloy has a tendency for intergranular cracks during welding and requires specialized filler material and technique.
The Product Features of 2A14 aluminum Round Bar
● High Strength and Hardness: The 2A14 aluminum bar is one of the higher-strength commercial aluminum alloys and is especially suitable for heavy-duty structural components. Its strength can be further enhanced by heat treatment to meet the demands of industries like aerospace and heavy machinery.
● Poor Corrosion Resistance: While the 2A14 aluminum bar has excellent mechanical properties, its corrosion resistance is relatively weak. To address this, it is often clad with a layer of pure aluminum to significantly improve its corrosion resistance, especially in humid environments.
● Good Machinability: The 2A14 aluminum bar has good machinability, particularly in the heat-treated state. It is easy to perform machining operations such as cutting and turning, making it widely used in the production of complex parts.
● Welding Performance: Due to its high copper content, the 2A14 aluminum bar tends to crack during welding, requiring special processes and conditions. However, in some cases, it can be joined by riveting or specific welding methods like friction stir welding.
The Product Specification of 2A14 aluminum round bar
|
Alloy |
2A14 aluminum round bar |
|
Temper |
O, T1, T2, T3, T4, H12, H14, H26, H112, etc. |
|
Diameter |
30-200mm |
|
Length (mm) |
customized as required |
|
MOQ |
5 TON |
Chemical composition of 2A14 aluminum round bar
| Element | Cu | Mg | Si | Mn | Fe | Zn | Ti | Each Impurity | Total Impurities | Al |
|---|---|---|---|---|---|---|---|---|---|---|
| Content | 3.9 - 4.8 | 0.40 - 0.8 | 0.60 - 1.2 | 0.40 - 1.0 | ≤ 0.30 | ≤ 0.30 | ≤ 0.15 | ≤ 0.05 | ≤ 0.15 | Balance |
Mechanical properties of 2A14 Aluminum Round Bar:
| Property | Symbol | Unit | Temper | Typical Value | Remarks |
|---|---|---|---|---|---|
| Tensile Strength | σb | MPa | T6 | ≥ 460 | Primary strength indicator |
| Yield Strength (0.2% Offset) | σ0.2 | MPa | T6 | ≥ 380 | Stress at which permanent deformation begins |
| Elongation at Break | δ5 | % | T6 | ≥ 8 | Measure of ductility |
| Brinell Hardness | HBW | - | T6 | ≥ 115 | Measure of surface resistance to indentation |
| Tensile Strength | σb | MPa | O (Annealed) | ≤ 225 | Soft condition for cold working |
| Yield Strength (0.2% Offset) | σ0.2 | MPa | O (Annealed) | ≤ 105 | |
| Elongation at Break | δ5 | % | O (Annealed) | ≥ 12 | Ductility increases significantly after annealing |
| Elastic Modulus | E | GPa | All Tempers | ~73 | Stiffness of the material |
| Poisson's Ratio | ν | - | All Tempers | 0.33 | Ratio of transverse to axial strain |
| Density | ρ | g/cm³ | All Tempers | 2.80 |
2A14 aluminum round bar application
2A14 is mainly used to produce various high load parts and components (but not including stamping parts forgings) such as aircraft skeleton parts, skin, bulkhead, wing ribs, wing beams, rivets and other 150 ℃ working parts.
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